🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.96

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.66 AU - 0.98 AU

Year: 281 Days

Day: 16.2 Hours

Environment

Temp: 153 °C

Axial Tilt: 23.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.54

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.19 AU - 2.35 AU

Year: 1295 Days

Day: 23 Hours

Environment

Temp: -89 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.6

Radius: 13.1

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 5.41 AU - 6.33 AU

Year: 5386 Days

Day: 8.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 92,607,060 km

• M1: 162,912 km (0.07 R)
• M2: 611,855 km (0.098 R)
• M3: 1,378,844 km (0.103 R)
• M4: 1,944,772 km (0.096 R)
• M5: 2,827,549 km (0.075 R)
• M6: 4,069,062 km (0.112 R)
• M7: 4,776,959 km (0.101 R)
• M8: 5,276,167 km (0.091 R)
• M9: 5,810,381 km (0.082 R)
• M10: 6,863,102 km (0.092 R)
• M11: 7,599,721 km (0.1 R)
• M12: 8,495,364 km (0.115 R)
• M13: 9,006,241 km (0.114 R)
• M14: 10,579,561 km (0.119 R)
• M15: 11,740,740 km (0.034 R)
• M16: 14,883,043 km (0.095 R)
• M17: 15,898,514 km (0.034 R)
• M18: 16,619,575 km (0.114 R)
• M19: 18,730,551 km (0.045 R)
• M20: 20,491,767 km (0.066 R)
• M21: 23,835,728 km (0.047 R)

Planet 4 - Ice Giant

Semi-Major Axis: 18.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 589.5

Radius: 4.9

Gravity: 24.55 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 16.26 AU - 19.76 AU

Year: 28948 Days

Day: 16.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 92,607,060 km

• M1: 61,634 km (0.114 R)
• M2: 320,439 km (0.056 R)
• M3: 523,742 km (0.044 R)
• M4: 790,326 km (0.076 R)
• M5: 1,340,247 km (0.109 R)
• M6: 4,748,685 km (0.114 R)
• M7: 5,301,150 km (0.11 R)
• M8: 5,851,670 km (0.077 R)
• M9: 7,470,469 km (0.104 R)
• M10: 9,792,527 km (0.097 R)
• M11: 11,082,809 km (0.091 R)
• M12: 12,265,230 km (0.099 R)
• M13: 12,555,151 km (0.095 R)
• M14: 13,761,059 km (0.104 R)
• M15: 14,392,063 km (0.055 R)
• M16: 15,796,638 km (0.04 R)
• M17: 24,207,778 km (0.111 R)
• M18: 25,476,368 km (0.086 R)
• M19: 27,032,036 km (0.043 R)
• M20: 27,895,365 km (0.112 R)
• M21: 29,417,972 km (0.058 R)
• M22: 37,715,119 km (0.078 R)
• M23: 44,147,977 km (0.109 R)
• M24: 48,338,513 km (0.074 R)
• M25: 50,715,473 km (0.068 R)
• M26: 52,786,506 km (0.101 R)
• M27: 55,700,673 km (0.092 R)
• M28: 61,002,870 km (0.102 R)
• M29: 62,059,629 km (0.08 R)
• M30: 65,083,451 km (0.103 R)
• M31: 67,302,436 km (0.101 R)
• M32: 80,161,720 km (0.057 R)
• M33: 82,967,577 km (0.08 R)
• M34: 83,743,990 km (0.105 R)
• M35: 90,677,104 km (0.086 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 11,088 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit